Using CCOC(C)=O, COc1cc(C=O)ccc1-n1cnc(C)c1 to produce CCOC(=O)/C=C/c1ccc(-n2cnc(C)c2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.