Using Nc1ccc(O)cc1, Clc1ccnc2c1ccn2COCc1ccccc1 to produce Nc1ccc(Oc2ccnc3c2ccn3COCc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.