Using COC(=O)c1ccc(C[C@H](NC(=O)OCc2ccccc2)C(=O)O)cc1, COC(=O)C[C@@H]1NCCN(CC(=O)OC(C)(C)C)C1=O to produce COC(=O)C[C@H]1C(=O)N(CC(=O)O)CCN1C(=O)[C@H](Cc1ccc(C(=O)OC)cc1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.