Using O=C(C=Cc1ccc(OC2CCNCC2)cc1)N1CCOCC1, O=C1CCC1 to produce O=C(C=Cc1ccc(OC2CCN(C3CCC3)CC2)cc1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.