Using COc1cc(CNC(=O)C23CC4CC(C2)C(=O)C(C4)C3)cc(OC)c1 to produce COc1cc(CNC(=O)C23CC4CC(C2)C(O)C(C4)C3)cc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.