Using [N-]=[N+]=NCC(=O)Nc1cc(N2CCCc3ccccc3C2)nc2ccccc12 to produce NCC(=O)Nc1cc(N2CCCc3ccccc3C2)nc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.