Using CCC1(c2cccc(OC)c2)CCCCN(CCNC(N)=O)C1=O to produce CCC1(c2cccc(O)c2)CCCCN(CCNC(N)=O)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.