Using CC(=O)O, O=c1[nH]c(-c2ccccc2)cc2ccc(NCCN3CCOCC3)cc12 to produce CN(CCN1CCOCC1)c1ccc2cc(-c3ccccc3)[nH]c(=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.