Using OC(c1cccc(OCc2ccccc2)c1)c1nn(C2CCCC2)c2ccccc12 to produce O=C(c1cccc(O)c1)c1nn(C2CCCC2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.