Using COC(=O)COc1ccc(Cl)c2nc(C)c(Cc3ccc(Cl)cc3)c(Cl)c12 to produce COC(=O)COc1cccc2nc(C)c(Cc3ccc(Cl)cc3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.