Using O=C(O)C1CCc2cccc(O)c2C1, CCN(CC)c1ccc(N)cc1 to produce CCN(CC)c1ccc(NC(=O)C2CCc3cccc(O)c3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.