Using O=C1CCN(Cc2ccccc2)CC1, Nc1ccc2[nH]ncc2c1 to produce c1ccc(CN2CCC(Nc3ccc4[nH]ncc4c3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.