Using COCCCc1cn(C)c2ccc(CC(CC(NC(=O)OC(C)(C)C)C(O)CN)C(C)C)cc12, CC(C)(C)C(=O)Cl to produce COCCCc1cn(C)c2ccc(CC(CC(NC(=O)OC(C)(C)C)C(O)CNC(=O)C(C)(C)C)C(C)C)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.