Using COc1ccc2cc([C@H](C)C=O)ccc2c1, N[C@@H](CS)C(=O)O to produce COc1ccc2cc([C@H](C)C3N[C@H](C(=O)O)CS3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.