Using NC=O, CN(C)CCNc1ccc(C=O)c2sc3ccccc3c(=O)c12 to produce CN(C)CCNc1ccc(CNC=O)c2sc3ccccc3c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.