Using O=C(Oc1ccc2c(c1)CN1CCCC1CN2C(=O)CCN1CCCC1)c1ccccc1 to produce O=C(CCN1CCCC1)N1CC2CCCN2Cc2cc(O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.