Using CC(=O)OC(C)=O, COc1ccc2[nH]c3c(c2c1)CCNC3C to produce COc1ccc2[nH]c3c(c2c1)CCN(C(C)=O)C3C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.