Using c1nc[nH]n1, CCCCCn1c2nc(Br)n(Cc3ccc(OC)cc3)c2c(=O)n2c(C)nnc12 to produce CCCCCn1c2nc(-n3cncn3)n(Cc3ccc(OC)cc3)c2c(=O)n2c(C)nnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.