Using CS(=O)(=O)OCCOc1ccccc1, COC(=O)c1ccc([C@H](C)NC(=O)[C@H](O)C(C)C)cc1 to produce COC(=O)c1ccc([C@H](C)NC(=O)[C@H](OCCOc2ccccc2)C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.