Using CCC=O, NC(=O)c1cccc2nc(-c3ccc(C4CCCNC4)cc3)oc12 to produce CCCN1CCCC(c2ccc(-c3nc4cccc(C(N)=O)c4o3)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.