Using CCOC(=O)COc1cccc(CCl)c1, CCOC(=O)C(NC(C)=O)C(=O)OCC to produce CCOC(=O)COc1cccc(C(NC(C)=O)(C(=O)OCC)C(=O)OCC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.