Using COS(=O)(=O)OC, CC(C)(C)OC(=O)Nc1ccc2c(c1O)C1CCC(C2)N1C(=O)OC(C)(C)C to produce COc1c(NC(=O)OC(C)(C)C)ccc2c1C1CCC(C2)N1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.