Using CCOC(=O)C1CC(CO[Si](C)(C)C(C)(C)C)CNC1=O, C[O+](C)C to produce CCOC(=O)C1CC(CO[Si](C)(C)C(C)(C)C)CN=C1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.