Using O=C(O)CCCCC=Cc1cc(-c2ccccc2)c2ccccc2n1 to produce O=C(O)CCCCCCc1cc(-c2ccccc2)c2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.