Using CN(C)C(=O)COC(=O)c1c(O)ccc2cc(C#N)ccc12, N to produce CN(C)C(=O)COC(=O)c1c(O)ccc2cc(C(=N)N)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.