Using CN(C)C1(c2ccccc2)CCC(C=O)CC1, NCCc1c[nH]c2ccccc12 to produce CN(C)C1(c2ccccc2)CCC(CNCCc2c[nH]c3ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.