Using CCCC[Sn](Cl)(CCCC)CCCC, C[Si](C)(C)CCOCn1c(-c2ccccc2)nc(-c2ccncc2)c1Br to produce CCCC[Sn](CCCC)(CCCC)c1c(-c2ccncc2)nc(-c2ccccc2)n1COCC[Si](C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.