Using COc1cc(C)c(N2CCCn3c2nc2c(Cl)ccc(CO)c23)cn1 to produce COc1cc(C)c(N2CCCn3c2nc2c(Cl)ccc(C=O)c23)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.