Using CCCBr, Cc1c(NC2CC3CCC(C2)N3)ccc2[nH]ncc12 to produce CCCN1C2CCC1CC(Nc1ccc3[nH]ncc3c1C)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.