Using COc1c(C(=O)O)nc(C#N)c2c(Oc3ccccc3)cccc12, COC(=O)CN to produce COC(=O)CNC(=O)c1nc(C#N)c2c(Oc3ccccc3)cccc2c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.