Using NCCN1CCOCC1, Cc1sc2cc(Oc3ccnc4ccsc34)ccc2c1C(=O)O to produce Cc1sc2cc(Oc3ccnc4ccsc34)ccc2c1C(=O)NCCN1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.