Using CCOC(=O)Cn1ccc2c(/C=C/Cn3cc(C(c4ccccc4)c4ccccc4)ccc3=O)cccc21 to produce O=C(O)Cn1ccc2c(/C=C/Cn3cc(C(c4ccccc4)c4ccccc4)ccc3=O)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.