Using C[Si](C)(C)CCOCCl, CC(C)(C)OC(=O)N1CCCC1c1ncc(Br)[nH]1 to produce CC(C)(C)OC(=O)N1CCCC1c1ncc(Br)n1COCC[Si](C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.