Using [N-]=[N+]=Nc1cncc(C(=O)N2CCC(N3CCC(n4c(=O)[nH]c5ccccc54)CC3)CC2)n1 to produce Nc1cncc(C(=O)N2CCC(N3CCC(n4c(=O)[nH]c5ccccc54)CC3)CC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.