Using CC(C)(C)OC(=O)N1CCC(=O)CC1, C[Si](C)(C)N(c1ccc(Br)cc1)[Si](C)(C)C to produce CC(C)(C)OC(=O)N1CCC(O)(c2ccc(N)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.