Using CCOC(=O)C1Cc2cc(OCCOC)cc(N)c2N1C(=O)OC(C)(C)C, CCOC1(O[Si](C)(C)C)CC1 to produce CCOC(=O)C1Cc2cc(OCCOC)cc(NC3CC3)c2N1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.