Using O=C1c2ccccc2C(=O)N1CCN1CCCC1c1cccc(O)c1, CN=C=O to produce CNC(=O)Oc1cccc(C2CCCN2CCN2C(=O)c3ccccc3C2=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.