Using O=C(CCCCl)N1CCN(C(c2ccccc2)c2ccccc2)CC1, [N-]=[N+]=[N-] to produce NCCCC(=O)N1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.