Using O=C(O)c1ccc(C(CC2CCOCC2)C(=O)Nc2nccs2)cc1, CCN to produce CCNC(=O)c1ccc(C(CC2CCOCC2)C(=O)Nc2nccs2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.