Using [N-]=[N+]=NCCC1CCCCN1, COc1ccc(-n2nc(C(=O)O)cc2-c2ccccc2)cn1 to produce COc1ccc(-n2nc(C(=O)N3CCCCC3CCN=[N+]=[N-])cc2-c2ccccc2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.