Using CN1C(=O)c2ccccc2CC1OCCCN1CCN(c2cccc3sccc23)CC1 to produce CN1CCc2ccc(OCCCN3CCN(c4cccc5sccc45)CC3)cc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.