Using COC(=O)c1ccc(C#N)c(-c2cncc(C=O)c2)c1, CCN to produce CCNCc1cncc(-c2cc(C(=O)OC)ccc2C#N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.