Using CC(C)(C)OC(=O)N1CC2CC(N3CCC(NC(=O)OCc4ccccc4)C3=O)C(CO)C2C1, CI to produce COCC1C2CN(C(=O)OC(C)(C)C)CC2CC1N1CCC(NC(=O)OCc2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.