Using [N-]=[N+]=[N-], CCCCc1ccc(NC=C(C#N)C(=O)OCC)nc1 to produce CCCCc1ccc2ncc(-c3nnn[nH]3)c(=O)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.