Using COc1c(C(C)=O)cnc2c(NC(=O)c3c(Cl)cccc3Cl)cccc12 to produce COc1c(C(C)O)cnc2c(NC(=O)c3c(Cl)cccc3Cl)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.