Using Cn1c(=O)c(-c2ccc(Cl)cc2Cl)cc2c3cc(-c4csc(CO)n4)ccc3n(C)c21 to produce Cn1c(=O)c(-c2ccc(Cl)cc2Cl)cc2c3cc(-c4csc(C=O)n4)ccc3n(C)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.