Using c1ccc(C2(c3ccccc3)CCNCC2)cc1, O=Cc1ccn(Cc2ccccc2)n1 to produce c1ccc(Cn2ccc(CN3CCC(c4ccccc4)(c4ccccc4)CC3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.