Using COCCBr, CC(C)(C)OC(=O)N1CC(O)CC1c1nc(-c2ccc(Br)cc2)cn1COCC[Si](C)(C)C to produce COCCOC1CC(c2nc(-c3ccc(Br)cc3)cn2COCC[Si](C)(C)C)N(C(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.