Using CCCCBr, CCc1nc2ncnc(-c3c(C)cc(C)cc3C)c2[nH]1 to produce CCCCn1c(CC)nc2c(-c3c(C)cc(C)cc3C)ncnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.