Using CCCCc1c(C(=O)N(C)Cc2ccc3c(Br)c(OCC#N)ccc3c2)c2ccccc2n1C, [N-]=[N+]=[N-] to produce CCCCc1c(C(=O)N(C)Cc2ccc3c(Br)c(OCc4nnn[nH]4)ccc3c2)c2ccccc2n1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.