Using CC(C)c1nc(COCc2ccccc2)n(CCCc2ccccn2)c1Sc1cc(Cl)cc(Cl)c1 to produce CC(C)c1nc(CO)n(CCCc2ccccn2)c1Sc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.