Using COC(=O)c1ccc2cc(C(=O)c3ccc4c(c3)C3(C)C5(C)CCC(C5)C3(C)O4)ccc2c1 to produce COC(=O)c1ccc2cc(C(O)c3ccc4c(c3)C3(C)C5(C)CCC(C5)C3(C)O4)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.