Using COc1ccc(C(=O)Nc2c(O)cc(OC)cc2Cl)c(Cl)c1 to produce Oc1ccc(-c2nc3c(Cl)cc(O)cc3o2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.