Using NC1=NCCN1, CCOC(=O)CCCOc1ccc(C[C@H](NC(=O)OCc2ccccc2)C(=O)OC(C)(C)C)cc1 to produce CC(C)(C)OC(=O)[C@H](Cc1ccc(OCCCC(=O)NC2=NCCN2)cc1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.