Using COc1cc(Nc2c(C#N)cnc3c2C=C2N=C(CCl)N=C2C3)cc(OC)c1OC to produce COc1cc(Nc2c(C#N)cnc3cc4[nH]cnc4cc23)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.