Using Cn1cc(-n2ccc(-c3ccccc3)n2)cc(OCc2ccccc2)c1=O to produce Cn1cc(-n2ccc(-c3ccccc3)n2)cc(O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.