Using Cc1ccc(Sc2cccc3c4c([nH]c23)CCNC4)cc1, C=O to produce Cc1ccc(Sc2cccc3c4c([nH]c23)CCN(C)C4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.