Using CCCC[Sn](I)(CCCC)CCCC, CC(C)(C)[Si](C)(C)N1CCc2cc(Br)cnc21 to produce CCCC[Sn](CCCC)(CCCC)c1cnc2c(c1)CCN2[Si](C)(C)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.