Using c1ccc(COc2ccc(CCNCCC(c3ccccc3)c3ccccc3)cc2)cc1 to produce Oc1ccc(CCNCCC(c2ccccc2)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.