Using CC=CCn1c(N(C(C)=O)c2cc(C)cc(C)c2)c(CC)c(=O)[nH]c1=O to produce CC=CCn1c(Nc2cc(C)cc(C)c2)c(CC)c(=O)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.