Using C1=COCCC1, O=C(O)c1ccc(NCCCCCCCCC2CCCCC2)cc1 to produce O=C(OC1CCCCO1)c1ccc(NCCCCCCCCC2CCCCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.