Using COc1cc(C)cc2c(=O)oc3c(c12)C(=O)c1cccc(O)c1C3=O to produce Cc1cc(O)c2c3c(oc(=O)c2c1)C(=O)c1c(O)cccc1C3=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.