Using COc1c(OCc2ccccc2)cc(Cl)c(Nc2ccccc2CC(=O)O)c1Cl to produce COc1c(O)cc(Cl)c(Nc2ccccc2CC(=O)O)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.