Using COc1ccc(-c2nc3cccnc3[nH]2)c(OC)c1, COC(Cl)Cl to produce COc1cc(OC)c(-c2nc3cccnc3[nH]2)cc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.