Using COCCN(CCO[Si](C)(C)C(C)(C)C)C(=O)N[C@@H](C)C(=O)OC(C)(C)C to produce COCCN(CCO)C(=O)N[C@@H](C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.