Using Cc1ncc(C(O)c2ccc3nc(Cl)c(-c4ccccc4)c(Cl)c3c2)n1C to produce Cc1ncc(C(=O)c2ccc3nc(Cl)c(-c4ccccc4)c(Cl)c3c2)n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.