Using NC(=O)c1ccc(Oc2ccc3c(c2)CNCC3)nc1, O=Cc1ccccc1 to produce NC(=O)c1ccc(Oc2ccc3c(c2)CN(Cc2ccccc2)CC3)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.