Using CCCCCCCCCCCCn1nnc(C(Br)C(=O)Nc2c(C(C)C)cccc2C(C)C)n1, [N-]=[N+]=[N-] to produce CCCCCCCCCCCCn1nnc(C(N)C(=O)Nc2c(C(C)C)cccc2C(C)C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.