Using CCCCCCCCCCCCNC(=N)NC(=N)NCc1ccc(OC)c(OC)c1, CC(C)=O to produce CCCCCCCCCCNC1=NC(C)(C)N=C(NCc2ccc(OC)c(OC)c2)N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.