Using O=CO, CC(C)CC(O)c1c(-c2cccc(Cl)c2)ncc2c1c(=O)n(CCCO[Si](C)(C)C(C)(C)C)c(=O)n2C to produce CC(C)CCc1c(-c2cccc(Cl)c2)ncc2c1c(=O)n(CCCOC=O)c(=O)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.